Jelf Report post Posted February 2, 2014 In case anyone finds it useful, here is how you can display topographic lines on top of an aerial.The following link starts Gmap4 (I am the developer) and if you zoom in until the scale in the lower left says 500 ft then you will see topo lines on the Google aerial for anywhere in the U.S.http://www.mappingsupport.com/p/gmap4.php?ll=38.640824,-83.571710&z=5&t=h,Topography_lines&rest=http://services.nationalmap.gov/ArcGIS/rest/services/USGSImageryTopoLarge/MapServer?name=Topography_lines&layers=34,35&transparent=trueTo start zooming in to your area of interest, try Menu ==> Search to get close and then zoom/pan. To manually zoom, use your mouse wheel or the sliding control near the upper left corner of the map.To turn the topo lines on/off, click the button in the upper right corner of the map then scroll down to the Overlay section and click "topography_lines".The topo line data comes from a GIS (Geographical Information Service) server run by the feds. That GIS data displays the topo lines on top of any basemap.The Gmap4 homepage has a FAQ, examples, quick start info (in the Help file) and more to quickly get you up to speed.Gmap4 default map: http://www.mappingsupport.com/p/gmap4.php (does not include GIS topo line overlay)Gmap4 homepage: http://www.mappingsupport.com/p/gmap4.htmlJoseph, the Gmap4 guyRedmond, WA Share this post Link to post Share on other sites
delwain Report post Posted February 6, 2014 This is a really cool tool. Extremely useful. Thanks! Share this post Link to post Share on other sites
CouesWhitetail Report post Posted February 6, 2014 Cool, Thank you! Share this post Link to post Share on other sites
Jelf Report post Posted February 16, 2014 The ability to see topo lines on aerials got such nice reviews that this feature is now built right into the program. From now on you do not need any special Gmap4 link to use this feature.For more info please see the “What’s new” page:http://www.mappingsupport.com/p/gmap4_whats_new.htmlJoseph, the Gmap4 guy Share this post Link to post Share on other sites
AzHuntingAddict Report post Posted February 17, 2014 Cool stuff. I just use GE with the USGS topo overlays from a google earth library. Going to check your stuff out. http://www.gelib.com/usgs-topographic-maps-2.htm Share this post Link to post Share on other sites
'Ike' Report post Posted June 2, 2014 Great program... Share this post Link to post Share on other sites
motoxno53 Report post Posted June 6, 2014 great option man….. thank you Share this post Link to post Share on other sites
